Rhamnus petiolaris Plant Care

Rhamnus petiolaris (Rhamnus petiolaris) belongs to the Rhamnaceae family within the Rhamnus genus. Rhamnus petiolaris is native to Iraq, Lebanon, Syria, and Turkey.

Rhamnus petiolaris displays an upright, spreading shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Rhamnus petiolaris produces small clusters of inconspicuous greenish flowers.

Leaf size: approximately 3 inches.

Water a young or newly planted Rhamnus petiolaris every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Rhamnus petiolaris thrives in full sun to partial shade.

Rhamnus petiolaris tolerates temperatures of 50–80°F. Rhamnus petiolaris prefers humidity levels of 40–70%.

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Rhamnus petiolaris to prevent waterlogging, which leads to root rot and fungal issues.

Feed Rhamnus petiolaris every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with full sun to partial shade and well-draining loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Rhamnus petiolaris is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

Rhamnus petiolaris can spread to about 4 ft (1.2 m) and reach about 6 ft (2 m) tall. Space plants about 4 ft (1.2 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the tree spacing calculator.

Prune Rhamnus petiolaris while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.

Rhamnus petiolaris is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Rhamnus petiolaris can be propagated through seeds, hardwood cuttings. Similar propagation techniques also apply to alder buckthorn plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Rhamnus petiolaris is susceptible to aphids, scale insects, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Rhamnus petiolaris grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Rhamnus petiolaris is native to Iraq, Lebanon, Syria, and Turkey. In cooler regions, grow Rhamnus petiolaris as a houseplant or bring it indoors before the first frost.